cipher

type Cipher interface {
	Encrypt(src []byte) []byte
	Decrypt(src []byte) []byte
}

type CipherMode interface {
	SetPadding(padding Padding) CipherMode

	Cipher(block cipher.Block, iv []byte) Cipher
}

type Padding interface {
	Padding(src []byte, blockSize int) []byte

	UnPadding(src []byte) []byte
}